/Engine/Plugins/NetcodeUnitTest/NetcodeUnitTest/Source/NetcodeUnitTest/Classes/ClientUnitTest.h
Triggered upon a network connection failure
virtual void NotifyNetworkFailure ( [ENetworkFailure::Type](API\Runtime\NetCore\Net\Core\Connection\ENetworkFailure__Type) FailureType, const [FString](API\Runtime\Core\Containers\FString) & ErrorString )